Because it's a win win scenario.
Best case scenario you rob everyone, make a ton of money, and get away. Worst case scenario you get no money, get locked up, do a couple years of hard Marion county probation where probation violations are non existent, sue the police for being too aggressive or having bad breath or whatever, then get thousands from the city who settle out of court. Regardless of the scenario you get money with no punishment, and are able to do it all over again! Then you get to reproduce making several dependent deductions that carry on your awesome legacy exponentially into the future.
"You've been here before, haven't ya?"
[video=youtube;wk7fYBw6PfQ]https://www.youtube.com/watch?v=wk7fYBw6PfQ[/video]